• Year
  • 1948–1950
  • Category
  • Sound/Video Recorder and/or Player
  • Radiomuseum.org ID
  • 91968

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 4
  • Main principle
  • Audio-Amplification; 3 AF stage(s)
  • Wave bands
  • - without
  • Details
  • Other Combination - see Notes
  • Power type and voltage
  • Alternating Current supply (AC) / 110; 125; 150; 220 Volt
  • Loudspeaker
  • Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 16 cm = 6.3 inch
  • Power out
  • 4 W (unknown quality)
  • Material
  • Leather / canvas / plastic - over other material
  • from Radiomuseum.org
  • Model: Wiramphone 72001 - Amroh NV Radio Bulletin
  • Shape
  • Tablemodel, low profile (big size).
  • Dimensions (WHD)
  • 380 x 240 x 420 mm / 15 x 9.4 x 16.5 inch
  • Notes
  • Wire recorder-gramophone player. USA made recorder-phono deck, Armour Research Foundation licence. Wire speed 24 inch/sec, phono speed 78 rpm. Max. recording time 60 min. Amplifier made by Amroh, case made by Terwijn & Zn, Koffer & Lederwarenfabriek Rotterdam. Phono cartridge Astatic L71A. Later variant 72002 has EF40 microphone amplifier instead of EF22
  • Net weight (2.2 lb = 1 kg)
  • 19 kg / 41 lb 13.6 oz (41.85 lb)
  • Price in first year of sale
  • 800.00 Dfl
  • Literature/Schematics (1)
  • -- Original-techn. papers.

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The model Wiramphone is part of the collections of the following members.

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